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发明名称
Convertible classroom furniture
摘要
申请公布号
US3117534(A)
申请公布日期
1964.01.14
申请号
US19620194926
申请日期
1962.05.15
申请人
MARTLAND THEODORE H
发明人
MARTLAND THEODORE H.
分类号
A47B41/00
主分类号
A47B41/00
代理机构
代理人
主权项
地址
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